如果

If the eyes are severely strained, they become bloodshot.

眼睛过于疲劳会充血。

Read the papers if you want to keep abreast of time.

想跟上时代要看报。

There will be a mutiny if conditions do not improve.

情况不改变,将会出现兵变。

You are at liberty to leave, if you wish.

愿意，随时都可以离开。

If you try hard, you will succeed.

努力, 会成功。

I'll read to you if you like.

喜欢读给听。

If you defy the law, you may find yourself in prison.

不服从法律，可能会坐牢。

If you haul hard you will divert the fish.

拉网太猛, 会被吓跑的。

If the goods prove defective, the customer has the right to compensation.

货品证明有缺陷，顾客有权索赔。

If using these to catenate, you will leave this station.

使用这些链接，您将离开本站。

You will endanger your health if you smoke.

吸烟, 会危及健康。

The bread will not bake if the fire is too small.

火太小, 面包烤不成。

Are they really gonna throw their drinks in my face if I renegue?

回绝的话,他们会不会生气?

I do not want to intrude if you are busy.

不打扰了。

You're heading for an accident if you drink and drive.

酒后开车，势必会发生车祸。

If you are driving, go round the Third Ring Roadhead north.

开车的话，沿着三环往北开。

I'll get the sack if things go wrong.

出了差错，会被解雇的。

The seams of the boat must be filled in if they leak.

船板接缝漏水一定要填补好。

I'd slip away sharpish if I were you.

是，赶快溜之大吉。

If a state punishes a murderer by death it’s an eye for an eye.

政府以死刑惩处凶手,这是以牙还牙。